TODAY MAR19
TEMPERATURE40
HUMIDITY48
PRESSURE101220
WIND COND.
  • 6237Wed
  • 5235Thu
  • 5246Fri60%
  • 6035Sat60%50%
  • 5438Sun
daynightWeather update from Baltimore, Inner Harbor at
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Weather Quick Facts

  • The highest monthly average temperature in Baltimore for July is 81.8 degrees
  • The lowest monthly average temperature in Baltimore for January is 37 degrees
  • The most monthly precipitation in Baltimore occurs in July with 5 inches
  • The air quality index in Baltimore is 9% worse than the national average
  • The pollution index in Baltimore is 260% worse than the national average

Compare Baltimore, MD Weather

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      Baltimore Average Temperature

      In the event that the weather data was unavailable for this city, estimates based upon nearby cities were used.
      MonthTemp. (min)Temp. (max)Temp. (avg)Precipitation
      January32°F44°F37°F2.7"
      February32°F45°F38°F2.7"
      March40°F55°F47°F3.4"
      April51°F68°F59°F3.8"
      May60°F76°F67°F3.9"
      June70°F86°F77°F4.5"
      July75°F90°F82°F5.0"
      August73°F87°F79°F4.6"
      September67°F80°F73°F4.4"
      October55°F69°F62°F4.6"
      November45°F58°F50°F2.4"
      December37°F48°F42°F4.1"

      Baltimore air quality index & pollution index

      In the event that the air quality/pollution data was unavailable for this city, estimates based upon nearby cities were used.
      IndexBaltimoreMarylandNational
      Air quality index464342
      Pollution index9,823,9205,342,3672,726,193

      Baltimore air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality223
      Days with moderate air quality129
      Days w/ poor A.Q. for sensitive groups13
      Days with unhealthy air quality0

      Baltimore air quality information

      PollutantTotal
      Arsenic0.010%
      Benzene0.070%
      Carbon Tetrachloride0.050%
      Lead0.030%
      Mercury0.140%

      Average monthly Baltimore temperature with heat index

      Baltimore monthly precipitation with daily maximum

      Baltimore monthly snow depth with daily maximum

      Baltimore monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Gambrills, MD2,929468.0%
      North Laurel, MD24,856468.0%
      Brooklyn Park, MD15,163468.0%
      Ferndale, MD17,732468.0%
      Linthicum, MD10,116468.0%
      Baltimore, MD602,274468.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Milwaukee, WI592,6494412.0%
      Louisville, KY618,733492.0%
      Albuquerque, NM560,447536.0%
      Surrey, BC560,150n/a 
      Las Vegas, NV644,594548.0%
      Baltimore, MD602,274468.0%
      Source: The Baltimore, MD weather data displayed above is derived from the NOAA (National Oceanic and Atmospheric). Air quality and pollution data is derived from the EPA (United States Environmental Protection Agency). Air quality and pollution levels measured in a particular area may not be representative of the entire county.